Quote:
Originally Posted by micondie
Your example doesn't make sense. If you have a restrictior plate with a 1/2" hole before your throttle no extra amount of throttle opening is going to make more air flow through that 1/2" hole. That hole is the limit. Your throttle at idle probably has less air flow than that 1/2" hole but once you reach the flow limit of the hole that's it.
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That's exactly what the example said...
If you put a restriction in front of the throttle plate, you have to open the throttle
further to get
the same amount of air through it under vacuum (this does not apply the same way under boost).
Still, the point is that removing any restriction prior to the intake's throttle butterfly just means that you have to open the throttle that much less to get the same amount of air into it. You're still using the same amount of fuel, regardless.
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